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PartsTable / COMPONENT / 740221-101
740221-101 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include duty_type: CONTINUOUS, time_delay: 1.00 SECONDS MINIMUM AND 10.00 SECONDS MAXIMUM ADJUSTABLE OPERATE TIME, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 1.440 INCHES MAXIMUM IN, overall_height: 2.906 INCHES NOMINAL IN, overall_length: 1.650 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-951-5723, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
740221-101
NSN: 5945-00-951-5723
FSC: 5945
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
duty_typeCONTINUOUS
time_delay1.00 SECONDS MINIMUM AND 10.00 SECONDS MAXIMUM ADJUSTABLE OPERATE TIME
thread_class2A SINGLE MOUNTING FACILITY A
coil_quantity2
overall_width1.440 INCHES MAXIMUM IN
overall_height2.906 INCHES NOMINAL IN
overall_length1.650 INCHES MAXIMUM IN
special_featuresEXTRA SPDT CONTACT ARRANGEMENT IN LINE WITH COILS
thread_directionRIGHT-HAND SINGLE MOUNTING FACILITY
winding_quantity2
features_providedPOLARIZED
nominal_thread_size0.138 INCHES SINGLE MOUNTING FACILITY IN
NSN5945-00-951-5723
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 740221-101 MFR RELAY,ELECTROMAGNETIC
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 0.938 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD
•
TIME DELAY: 1.00 SECONDS MINIMUM AND 10.00 SECONDS MAXIMUM ADJUSTABLE OPERATE TIME
•
THREAD CLASS: 2A SINGLE MOUNTING FACILITY A
•
MOUNTING FACILITY PATTERN: TRIANGLE SINGLE MOUNTING FACILITY
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH0.938 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
MAIN CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD
TIME DELAY1.00 SECONDS MINIMUM AND 10.00 SECONDS MAXIMUM ADJUSTABLE OPERATE TIME
SPECIAL FEATURESEXTRA SPDT CONTACT ARRANGEMENT IN LINE WITH COILS
THREAD CLASS2A SINGLE MOUNTING FACILITY A
MOUNTING FACILITY PATTERNTRIANGLE SINGLE MOUNTING FACILITY
OVERALL LENGTH1.650 INCHES MAXIMUM IN
OVERALL WIDTH1.440 INCHES MAXIMUM IN
ENVIRONMENTAL PROTECTIONDUSTPROOF
THREAD DIRECTIONRIGHT-HAND SINGLE MOUNTING FACILITY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
25580Interchangeable
interchangeable cross-reference
interchangeable
210008Interchangeable
interchangeable cross-reference
interchangeable
88B685Interchangeable
interchangeable cross-reference
interchangeable
10218Interchangeable
interchangeable cross-reference
interchangeable
102B18Interchangeable
interchangeable cross-reference
interchangeable
RELEASE5333Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 740221-101?
740221-101 is a RELAY,ELECTROMAGNETIC.
What parts can replace 740221-101?
There are 16 known substitutes for 740221-101: 25580, 210008, 88B685 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 740221-101?
740221-101 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5945-00-951-5723. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026